<?php

/*
 * PHP QR Code encoder Common constants Based on libqrencode C library
 * distributed under LGPL 2.1 Copyright (C) 2006, 2007, 2008, 2009 Kentaro
 * Fukuchi <fukuchi@megaui.net> PHP QR Code is distributed under LGPL 3
 * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm> This library
 * is free software; you can redistribute it and/or modify it under the terms of
 * the GNU Lesser General Public License as published by the Free Software
 * Foundation; either version 3 of the License, or any later version. This
 * library is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details. You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

// Encoding modes

define ( 'QR_MODE_NUL', - 1 );
define ( 'QR_MODE_NUM', 0 );
define ( 'QR_MODE_AN', 1 );
define ( 'QR_MODE_8', 2 );
define ( 'QR_MODE_KANJI', 3 );
define ( 'QR_MODE_STRUCTURE', 4 );

// Levels of error correction.

define ( 'QR_ECLEVEL_L', 0 );
define ( 'QR_ECLEVEL_M', 1 );
define ( 'QR_ECLEVEL_Q', 2 );
define ( 'QR_ECLEVEL_H', 3 );

// Supported output formats

define ( 'QR_FORMAT_TEXT', 0 );
define ( 'QR_FORMAT_PNG', 1 );
class qrstr {
	public static function set(&$srctab, $x, $y, $repl, $replLen = false) {
		$srctab [$y] = substr_replace ( $srctab [$y], ($replLen !== false) ? substr ( $repl, 0, $replLen ) : $repl, $x, ($replLen !== false) ? $replLen : strlen ( $repl ) );
	}
}	